based-math-game/database.rules.json at main · hajin-park/based-math-game · GitHub

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{
  "rules": {
    "users": {
      "$uid": {
        ".read": "$uid === auth.uid || $uid.matches(/^guest_/)",
        ".write": "$uid === auth.uid || ($uid.matches(/^guest_/) && newData.child('uid').val() === $uid && newData.child('isGuest').val() === true)",
        ".validate": "newData.hasChildren(['uid', 'displayName', 'isGuest']) || !newData.exists()"
      }
    },
    "cleanup": {
      "lock": {
        ".read": true,
        ".write": true
      }
    },
    "rooms": {
      ".read": "true",
      "$roomId": {
        ".write": "!data.exists() || data.child('hostUid').val() === auth.uid || data.child('hostUid').val().matches(/^guest_/) || (auth != null && data.child('players').child(auth.uid).exists()) || data.child('players').hasChild(newData.child('hostUid').val())",
        ".validate": "newData.hasChildren(['hostUid', 'gameMode', 'status'])",
        "players": {
          "$playerId": {
            ".write": "$playerId === auth.uid || $playerId.matches(/^guest_/) || root.child('rooms').child($roomId).child('hostUid').val() === auth.uid || root.child('rooms').child($roomId).child('hostUid').val() === $playerId"
          }
        },
        "gameState": {
          ".write": "root.child('rooms').child($roomId).child('hostUid').val() === auth.uid || root.child('rooms').child($roomId).child('hostUid').val().matches(/^guest_/)"
        },
        "chat": {
          ".read": "true",
          "$messageId": {
            ".write": "(auth != null && root.child('rooms').child($roomId).child('players').child(auth.uid).exists()) || (newData.child('senderId').val().matches(/^guest_/) && root.child('rooms').child($roomId).child('players').hasChild(newData.child('senderId').val()))",
            ".validate": "newData.hasChildren(['senderId', 'displayName', 'message', 'timestamp']) && newData.child('message').isString() && newData.child('message').val().length > 0 && newData.child('message').val().length <= 500"
          }
        }
      }
    },
    "gameModes": {
      ".read": true,
      ".write": false
    },
    "presence": {
      "$uid": {
        ".read": true,
        ".write": "$uid === auth.uid || ($uid.matches(/^guest_/) && (!newData.exists() || newData.child('uid').val() === $uid))"
      }
    }
  }
}